Selling fastSymphony Diet 3D 12i
Big-room evaporative cooling with honeycomb pads.
- High-efficiency honeycomb cooling pads
- 12L tank — fill once, cool all day
- 1,350 m³/h for rooms up to 28 m²
- Ice chamber for an extra-cold boost
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13.4% slower reaction times (and 13.3% slower working-memory responses) measured in homes without cooling during a real heatwave, versus air-conditioned homes. Cedeño Laurent et al., PLoS Medicine, 2018
What does a cool night actually cost?
Symphony Diet 3D 12i draws just 115W — about the same as an old lightbulb.
Based on 115W at 24.5p/kWh (uk avg). Your tariff may vary — it'll still be pennies.
- Tank capacity
- 12 L
- Airflow
- 1,350 m³/h
- Noise
- 57 dB (max)
- Power
- 115 W
- Height
- 84 cm
- Weight
- 9.6 kg
- Room size
- up to 28 m²
- Speeds
- 3 + sleep
- Timer
- 12 h
- Controls
- Remote & touch panel
Quieter than your conversation.
Quiet enough for TV evenings; sleep mode drops it lower.
What it actually does, in numbers.
per hour to run
based on uk avg electricity rates
| Water tank | 12L |
| Airflow | 1350 m³/h |
| Noise | 57 dB |
| Power draw | 115 W |
| Height | 84 cm |
| Weight | 9.6 kg |
| Running cost | ~3p/hour |
| Covers rooms to | 28 m² |
Every spec on this page comes from the manufacturer's data sheet. We don't invent airflow figures or noise ratings — if a unit can't meet its claims, it doesn't go in the range.
